Home / 7,615.08-11,422.68-2,068.44

Finding the Fourth Proportional to 7,615.08, 11,422.68 and 2,068.44

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Solution

The fourth proportional to 7,615.08, 11,422.68 and 2,068.44 is: 3,102.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.08 : 11,422.68 = 2,068.44 : x
  2. Step 2: Convert to fraction form
    7,615.08/11,422.68 = 2,068.44/x
  3. Step 3: Cross multiply
    7,615.08x = 11,422.68 × 2,068.44
  4. Step 4: Simplify right side
    7,615.08x = 23,627,128.22
  5. Step 5: Solve for x
    x = 23,627,128.22/7,615.08
  6. Step 6: Final answer
    x = 3,102.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.